diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-01-16 08:33:30 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-16 08:33:30 (GMT) |
| commit | 860fc2f2640ec348b9520ca4649b1bfd23d91bc2 (patch) | |
| tree | 73d90d6ef86893c89bb70e78a2b63295d531f371 /drivers/tty/serial/8250/8250_dw.c | |
| parent | 197749981e539c1eb5863f417de6dd4e2c02b76c (diff) | |
| parent | bee09ed91cacdbffdbcd3b05de8409c77ec9fcd6 (diff) | |
| download | linux-860fc2f2640ec348b9520ca4649b1bfd23d91bc2.tar.xz | |
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes, refresh the development tree.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_dw.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4658e3e..06525f1 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -96,7 +96,8 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value) if (offset == UART_LCR) { int tries = 1000; while (tries--) { - if (value == p->serial_in(p, UART_LCR)) + unsigned int lcr = p->serial_in(p, UART_LCR); + if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) return; dw8250_force_idle(p); writeb(value, p->membase + (UART_LCR << p->regshift)); @@ -132,7 +133,8 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value) if (offset == UART_LCR) { int tries = 1000; while (tries--) { - if (value == p->serial_in(p, UART_LCR)) + unsigned int lcr = p->serial_in(p, UART_LCR); + if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) return; dw8250_force_idle(p); writel(value, p->membase + (UART_LCR << p->regshift)); @@ -455,6 +457,8 @@ MODULE_DEVICE_TABLE(of, dw8250_of_match); static const struct acpi_device_id dw8250_acpi_match[] = { { "INT33C4", 0 }, { "INT33C5", 0 }, + { "INT3434", 0 }, + { "INT3435", 0 }, { "80860F0A", 0 }, { }, }; |